Case C-472/21, Monz Handelsgesellschaft International: Judgment of the Court (Fifth Chamber) of 16 February 2023 (request for a preliminary ruling from the Bundesgerichtshof — Germany) — Monz Handelsgesellschaft International mbH & Co. KG v Büchel GmbH & Co. Fahrzeugtechnik KG (Reference for a preliminary ruling — Intellectual property — Design — Directive 98/71/EC — Article 3(3) and (4) — Conditions for obtaining protection for a component part of a complex product — Concepts of ‘visibility’ and ‘normal use’ — Visibility of a component part of a complex product during normal use of that product by the end user)